Title:
CURRENT LIMITING ELEMENT
Document Type and Number:
Japanese Patent JPH05235419
Kind Code:
A
Abstract:
PURPOSE:To obtain a current limiting element in which melting of a metal film can be prevented before a superconducting film is melted even in a circuit having a high voltage by allowing the film to be scarcely melted. CONSTITUTION:When the length, thickness and width of a metal film 4 are L, Th and W, resistivity of the film at the time of burn-out is rhom, radiating energy per unit time of a current limiting element at the time of burn-out of the film is Qm and generating heat energy per unit time at the time of burn-out of a superconducting film 2 is Qscm, it is so constructed that a value of {rhomL (Qm-Qscm)/TH W}<1/2> is higher than a melting limit voltage of the superconducting film and a melting temperature of the metal film is higher than a temperature at the time of burn-out of the metal film.
More Like This:
Inventors:
MORI SADAJIRO
HAYASHI TATSUYA
UCHIKAWA HIDEFUSA
MATSUNO SHIGERU
KINOUCHI SHINICHI
HAYASHI TATSUYA
UCHIKAWA HIDEFUSA
MATSUNO SHIGERU
KINOUCHI SHINICHI
Application Number:
JP3759692A
Publication Date:
September 10, 1993
Filing Date:
February 25, 1992
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01B12/06; H01L39/16; H02H9/02; (IPC1-7): H01L39/16; H01B12/06; H02H9/02
Domestic Patent References:
| JPS63118805U | 1988-08-01 | |||
| JPS6173204U | 1986-05-17 | |||
| JPS62111401U | 1987-07-16 | |||
| JPH0364559A | 1991-03-19 | |||
| JPS62106973U | 1987-07-08 | |||
| JPS50144777A | 1975-11-20 |
Attorney, Agent or Firm:
Takada Mamoru